US3337554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piperazino and homopiperazino-10-11-dihydrobenzo[b, f]-thiepin
Assignee: Spofa Spojene Zavody Pro Zdravotnickou Vyrobu
•
Filing: 1965-09-14
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Granted: 1967-08-22
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Expires: 1985-09-14
Abstract
No abstract record available.
Inventors
- 👤 Jilek Jiri
- 👤 Protiva Miroslav
- 👤 Pomykacek Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:20
CPC Classifications
C; C07; C07D; C07D337/00; C07D337/02; C07D337/06; C07D337/10; C07D337/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF THE FORMULA:
Claim 2
Dependent Claim
12 words
A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF THE FORMULA:
References Cited (Backward Citations)
US3100207A
Cited
US3262934A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |